On 1 May 2012 it is World Asthma Day. Asthma (sometimes called bronchial asthma) is characterised by difficulty breathing. Its symptoms, which include coughing, wheezing and chest tightness, are common when sufferers experience an “asthma attack”, but with proper treatment asthmatics (of whom there are more than five million in the UK) can live well. … More A for Allergy and Asthma